import Vue from 'vue'
import Router from 'vue-router'

Vue.use(Router)

/* Layout */
import Layout from '@/layout'

/**
 * Note: sub-menu only appear when route children.length >= 1
 * Detail see: https://panjiachen.github.io/vue-element-admin-site/guide/essentials/router-and-nav.html
 *
 * hidden: true                   if set true, item will not show in the sidebar(default is false)
 * alwaysShow: true               if set true, will always show the root menu
 *                                if not set alwaysShow, when item has more than one children route,
 *                                it will becomes nested mode, otherwise not show the root menu
 * redirect: noRedirect           if set noRedirect will no redirect in the breadcrumb
 * name:'router-name'             the name is used by <keep-alive> (must set!!!)
 * meta : {
    roles: ['admin','editor']    control the page roles (you can set multiple roles)
    title: 'title'               the name show in sidebar and breadcrumb (recommend set)
    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
    breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
    activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
  }
 */

/**
 * constantRoutes
 * a base page that does not have permission requirements
 * all roles can be accessed
 */
export const constantRoutes = [{
        path: '/login',
        component: () =>
            import ('@/views/login/index'),
        hidden: true
    },

    {
        path: '/404',
        component: () =>
            import ('@/views/404'),
        hidden: true
    },

    {
        path: '/',
        component: Layout,
        redirect: '/dashboard',
        children: [{
            path: 'dashboard',
            name: 'Dashboard',
            component: () =>
                import ('@/views/dashboard/index'),
            meta: {
                title: '首页',
                icon: 'dashboard'
            }
        }]
    },
    {
        path: "/product",
        component: Layout,
        name: "product",
        meta: {
            title: "用户管理",
            icon: "el-icon-user"
        },
        children: [{
            path: "trademark",
            name: "Trademark",
            component: () =>
                import ("@/views/product/TradeMark"),
            meta: {
                title: "用户管理"
            }
        }, {
            path: "role",
            name: "role",
            component: () =>
                import ("@/views/product/Role"),
            meta: {
                title: "角色管理"
            }
        }, {
            path: "permission",
            name: "permission",
            component: () =>
                import ("@/views/product/Permission"),
            meta: {
                title: "权限管理"
            }

        }]
    },
    {
        path: "/article",
        name: "article",
        component: Layout,
        meta: {
            title: "文章管理",
            icon: "el-icon-notebook-1"
        },
        redirect: '/article',
        children: [{
                path: "article",
                component: () =>
                    import ("@/views/Article"),
                meta: {
                    title: "文章管理"
                }
            }, {
                path: "comment",
                name: "comment",
                component: () =>
                    import ("@/views/Comment"),
                meta: {
                    title: "评论管理"
                }
            }

        ]
    },
    // 404 page must be placed at the end !!!
    {
        path: '*',
        redirect: '/404',
        hidden: true
    }
]

const createRouter = () => new Router({
    // mode: 'history', // require service support
    scrollBehavior: () => ({
        y: 0
    }),
    routes: constantRoutes
})

const router = createRouter()

// Detail see: https://github.com/vuejs/vue-router/issues/1234#issuecomment-357941465
export function resetRouter() {
    const newRouter = createRouter()
    router.matcher = newRouter.matcher // reset router
}

export default router